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CAS Number: 86-48-6
SMILES : O=C(O)c(c(O)c(c(ccc1)c2)c1)c2
CHEM : 2-Naphthalenecarboxylic acid, 1-hydroxy-
MOL FOR: C11 H8 O3
MOL WT : 188.18
------------------------------ EPI SUMMARY (v4.10) --------------------------
Physical Property Inputs:
Log Kow (octanol-water): ------
Boiling Point (deg C) : ------
Melting Point (deg C) : ------
Vapor Pressure (mm Hg) : ------
Water Solubility (mg/L): ------
Henry LC (atm-m3/mole) : ------
Log Octanol-Water Partition Coef (SRC):
Log Kow (KOWWIN v1.68 estimate) = 3.42
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 374.67 (Adapted Stein & Brown method)
Melting Pt (deg C): 140.99 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 1.32E-007 (Modified Grain method)
VP (Pa, 25 deg C) : 1.76E-005 (Modified Grain method)
MP (exp database): 195 deg C
Subcooled liquid VP: 8.09E-006 mm Hg (25 deg C, Mod-Grain method)
: 0.00108 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 228.7
log Kow used: 3.42 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 87.716 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Phenols-acid
Salicylic Acid-acid
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 1.39E-009 atm-m3/mole (1.40E-004 Pa-m3/mole)
Group Method: 3.88E-013 atm-m3/mole (3.93E-008 Pa-m3/mole)
For Henry LC Comparison Purposes:
User-Entered Henry LC: not entered
Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:
HLC: 1.429E-010 atm-m3/mole (1.448E-005 Pa-m3/mole)
VP: 1.32E-007 mm Hg (source: MPBPVP)
WS: 229 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 3.42 (KowWin est)
Log Kaw used: -7.245 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 10.665
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.9506
Biowin2 (Non-Linear Model) : 0.9751
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.9276 (weeks )
Biowin4 (Primary Survey Model) : 3.6237 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.6428
Biowin6 (MITI Non-Linear Model): 0.6786
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.6098
Ready Biodegradability Prediction: YES
Hydrocarbon Biodegradation (BioHCwin v1.01):
Structure incompatible with current estimation method!
Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
Vapor pressure (liquid/subcooled): 0.00108 Pa (8.09E-006 mm Hg)
Log Koa (Koawin est ): 10.665
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 0.00278
Octanol/air (Koa) model: 0.0114
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.0913
Mackay model : 0.182
Octanol/air (Koa) model: 0.476
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 24.2091 E-12 cm3/molecule-sec
Half-Life = 0.442 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 5.302 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Reaction With Nitrate Radicals May Be Important!
Fraction sorbed to airborne particulates (phi):
0.137 (Junge-Pankow, Mackay avg)
0.476 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 234.5 L/kg (MCI method)
Log Koc: 2.370 (MCI method)
Koc : 163.8 L/kg (Kow method)
Log Koc: 2.214 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Rate constants can NOT be estimated for this structure!
Bioaccumulation Estimates (BCFBAF v3.01):
Log BCF from regression-based method = 0.500 (BCF = 3.162 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.5665 days (HL = 0.2713 days)
Log BCF Arnot-Gobas method (upper trophic) = 1.907 (BCF = 80.74)
Log BAF Arnot-Gobas method (upper trophic) = 1.907 (BAF = 80.74)
log Kow used: 3.42 (estimated)
Volatilization from Water:
Henry LC: 1.39E-009 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 5.778E+005 hours (2.408E+004 days)
Half-Life from Model Lake : 6.304E+006 hours (2.626E+005 days)
Removal In Wastewater Treatment:
Total removal: 11.34 percent
Total biodegradation: 0.17 percent
Total sludge adsorption: 11.17 percent
Total to Air: 0.00 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.0351 10.6 1000
Water 17.8 360 1000
Soil 81.9 720 1000
Sediment 0.192 3.24e+003 0
Persistence Time: 748 hr